[Perf] Windows/x64: Half and FrozenDictionary Regressions on 1/28/2025 11:31:49 PM +00:00

### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [d20c35e05c16dd2ec9cddd4259738cc02228d425](https://github.com/dotnet/runtime/commit/d20c35e05c16dd2ec9cddd4259738cc02228d425)
Compare | [d9b75154ad360154b863ee01b72fbef94de261b0](https://github.com/dotnet/runtime/commit/d9b75154ad360154b863ee01b72fbef94de261b0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d20c35e05c16dd2ec9cddd4259738cc02228d425...d9b75154ad360154b863ee01b72fbef94de261b0)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Tests.Perf_Half

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[HalfToSingle - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Tests.Perf_Half.HalfToSingle(value%3a%2012344).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Half.cs#L39-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.01 ns | 2.25 ns | 2.24 | 0.04 | False | | |
|<ul><li>[HalfToSingle - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Tests.Perf_Half.HalfToSingle(value%3a%20NaN).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Runtime/Perf.Half.cs#L39-#L41>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 1.01 ns | 2.25 ns | 2.24 | 0.04 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Tests.Perf_Half_001.png>)
![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Tests.Perf_Half_002.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Tests.Perf_Half.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Tests.Perf_Half*'
```

<details>

### System.Tests.Perf_Half.HalfToSingle(value: 12344)

#### ETL Files

#### Histogram

#### JIT Disasms

### System.Tests.Perf_Half.HalfToSingle(value: NaN)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>


---


### Run Information

Name | Value
-- | --
Architecture | x64
OS | Windows 10.0.22621
Queue | TigerWindows
Baseline | [d20c35e05c16dd2ec9cddd4259738cc02228d425](https://github.com/dotnet/runtime/commit/d20c35e05c16dd2ec9cddd4259738cc02228d425)
Compare | [d9b75154ad360154b863ee01b72fbef94de261b0](https://github.com/dotnet/runtime/commit/d9b75154ad360154b863ee01b72fbef94de261b0)
Diff | [Diff](https://github.com/dotnet/runtime/compare/d20c35e05c16dd2ec9cddd4259738cc02228d425...d9b75154ad360154b863ee01b72fbef94de261b0)
Configs | CompilationMode:tiered, RunKind:micro


### Regressions in System.Collections.Perf_Frozen&lt;Int16&gt;

Benchmark | Baseline | Test | Test/Base | Test Quality | Edge Detector | Baseline IR | Compare IR | IR Ratio
-- | -- | -- | -- | -- | -- | -- | -- | --
|<ul><li>[ToFrozenDictionary - Duration of single invocation](<https://pvscmdupload.z22.web.core.windows.net/reports/allTestHistory/refs/heads/main_x64_Windows 10.0.22621/System.Collections.Perf_Frozen(Int16).ToFrozenDictionary(Count%3a%204).html>)</li><li>📝 - [Benchmark Source](<https://github.com/dotnet/performance/blob/main/src/benchmarks/micro/libraries/System.Collections/Frozen/Perf_Frozen.cs#L79-#L80>)</li><li>[ADX - Test Multi Config Graph](<https://dataexplorer.azure.com/clusters/dotnetperf.westus/databases/PerformanceData?query=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>)</li></ul> | 50.64 ns | 59.55 ns | 1.18 | 0.01 | False | | |

![graph](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Collections.Perf_Frozen%28Int16%29_001.png>)
[Test Report](<https://pvscmdupload.z22.web.core.windows.net/autofilereport/autofilereports/02_04_2025/refs/heads/main_x64_Windows%2010.0.22621_Regression/System.Collections.Perf_Frozen%28Int16%29.html>)

### Repro
General Docs link: https://github.com/dotnet/performance/blob/main/docs/benchmarking-workflow-dotnet-runtime.md

```cmd
git clone https://github.com/dotnet/performance.git
py .\performance\scripts\benchmarks_ci.py -f net8.0 --filter 'System.Collections.Perf_Frozen&lt;Int16&gt;*'
```

<details>

### System.Collections.Perf_Frozen&lt;Int16&gt;.ToFrozenDictionary(Count: 4)

#### ETL Files

#### Histogram

#### JIT Disasms



### Docs

[Profiling workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/profiling-workflow-dotnet-runtime.md)
[Benchmarking workflow for dotnet/runtime repository](https://github.com/dotnet/performance/blob/master/docs/benchmarking-workflow-dotnet-runtime.md)

</details>

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[Perf] Windows/x64: Half and FrozenDictionary Regressions on 1/28/2025 11:31:49 PM +00:00 #112135

Run Information

Regressions in System.Tests.Perf_Half

Repro

System.Tests.Perf_Half.HalfToSingle(value: 12344)

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_Half.HalfToSingle(value: NaN)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.Perf_Frozen<Int16>

Repro

System.Collections.Perf_Frozen<Int16>.ToFrozenDictionary(Count: 4)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Assignees

Labels

Type

Projects

Milestone

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Development

Name	Value
Architecture	x64
OS	Windows 10.0.22621
Queue	TigerWindows
Baseline	d20c35e05c16dd2ec9cddd4259738cc02228d425
Compare	d9b75154ad360154b863ee01b72fbef94de261b0
Diff	Diff
Configs	CompilationMode:tiered, RunKind:micro

Benchmark	Baseline	Test	Test/Base	Test Quality	Edge Detector	Baseline IR	Compare IR	IR Ratio
HalfToSingle - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.01 ns	2.25 ns	2.24	0.04	False
HalfToSingle - Duration of single invocation 📝 - Benchmark Source ADX - Test Multi Config Graph	1.01 ns	2.25 ns	2.24	0.04	False

[Perf] Windows/x64: Half and FrozenDictionary Regressions on 1/28/2025 11:31:49 PM +00:00 #112135

Description

Run Information

Regressions in System.Tests.Perf_Half

Repro

System.Tests.Perf_Half.HalfToSingle(value: 12344)

ETL Files

Histogram

JIT Disasms

System.Tests.Perf_Half.HalfToSingle(value: NaN)

ETL Files

Histogram

JIT Disasms

Docs

Run Information

Regressions in System.Collections.Perf_Frozen<Int16>

Repro

System.Collections.Perf_Frozen<Int16>.ToFrozenDictionary(Count: 4)

ETL Files

Histogram

JIT Disasms

Docs

Metadata

Metadata

Assignees

Labels

Type

Projects

Milestone

Relationships

Development

Issue actions